A city on its knees. A killer choosing random victims. A detective pushed to breaking point.

When a killer contacts the media claiming responsibility for a series of seemingly unconnected murders with a promise to kill another victim every three days until he is caught, the Murder Force is tasked with catching him before more lives are lost.

A city on its knees. A killer choosing random victims. A detective pushed to breaking point.

When a killer contacts the media claiming responsibility for a series of seemingly unconnected murders with a promise to kill another victim every three days until he is caught, the Murder Force is tasked with catching him before more lives are lost.